Mercedes-Benz SLK Mercedes-Benz SLK 2006 Audi A6 Audi A6 2019

We are 103,000+ car owners sharing real-world car information.

Join Us

Mercedes-Benz SLK vs. Audi A6 Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Mercedes-Benz SLK vs. Audi A6 Invoice Comparison

Lowest Total Price: $52,370

Mercedes-Benz SLK SLK280   
Difference: $6,280

Lowest Total Invoice: $48,759

Mercedes-Benz SLK SLK280   
Difference: $6,398

Calculate Payments

  Down Payment Interest Rate Term
Model Year20062006200620192019
ModelSLKSLKSLKA6A6
TrimSLK280SLK350SLK55 AMG4555
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan
Base Price $42,900 $46,950 $61,500 $54,100 $58,900
Base Invoice $39,897 $43,664 $57,195 $50,856 $55,368
Comfort Package 1,300 1,300      
Lighting Package 990 990 990    
Premium Package 1,200 1,200 1,470    
Metallic paint (extra cost) 690 690 690 575 575
Heated front seats 690 690      
Bluetooth cell phone link 925 925 925    
Navigation system 1,200 1,200      
Entertainment Package 1,700 1,700      
Satellite radio     500    
Competition Package       3,000 3,000
Comfort Package 1,209 1,209      
Lighting Package 921 921 921    
Premium Package 1,116 1,116 1,367    
Metallic paint (extra cost) 642 642 642 536 536
Heated front seats 642 642      
Bluetooth cell phone link 860 860 860    
Navigation system 1,116 1,116      
Entertainment Package 1,581 1,581      
Satellite radio     465    
Competition Package       2,790 2,790
Options (change) 8,695 8,695 4,575 3,575 3,575
Options (change) 8,087 8,087 4,255 3,326 3,326
Destination 775 775 775 975 995
Gas Tax 0 0 1,300 0 0
Total Price $52,370 $56,420 $68,150 $58,650 $63,470
Total Invoice $48,759 $52,526 $63,525 $55,157 $59,689

Return to top

While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Mercedes-Benz SLK dealer quotes or Audi A6 dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Mercedes-Benz SLK vs. Audi A6

Lowest Adjusted Price and Invoice: Mercedes-Benz SLK SLK280
TrueDelta Adjusted Price Difference: $4,010
TrueDelta Adjusted Invoice Difference: $4,263
Model Year20062006200620192019
ModelSLKSLKSLKA6A6
TrimSLK280SLK350SLK55 AMG4555
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan
Engine228hp V6268hp V6355hp V8335hp V6 H335hp V6 H
TransmissionM6M6T7S7S7
DrivetrainRWDRWDRWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)380, 11380, 11?, 9630, 14630, 14
Tire (rear if not all the same)205/55-16225/45-17225/40-18245/45-19245/45-19
Total Price$52,370$56,420$68,150$58,650$63,470
Adjustments for Features00-600-2,270-2,270
Feature-Adjusted Total Price$52,370$56,420$67,550$56,380$61,200
Cost Above Minimum$0$4,050$15,180$0$4,820
Total Invoice$48,759$52,526$63,525$55,157$59,689
Adjustments for Features00-559-2,135-2,135
Feature-Adjusted Total Invoice$48,759$52,526$62,966$53,022$57,554
Cost Above Minimum$0$3,767$14,207$0$4,532

Return to top

Features Comparison: Mercedes-Benz SLK vs. Audi A6

Model Year20062006200620192019
ModelSLKSLKSLKA6A6
TrimSLK280SLK350SLK55 AMG4555
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manual$150$150   
7-speed manually-shiftable automatic  $1200  
7-speed automated manual   $1200$1200
RWD$0$0$0  
AWD   $1700$1700
Accessories 
Power rear side windows   $200$200
Proximity key   $250$250
Remote window/roof operation$15$15$15  
Wind blocker, small$100$100$100  
Brakes, Airbags, and Other Safety 
Blind spot warning system   $200$200
Collision preparation system, rear   $100$100
Obstacle detection, front   $150$150
Obstacle detection, rear   $250$250
Rearview camera   $200$200
Rollover sensor   $50$50
Secondary collision brake assist   $25$25
Side curtain airbags   $350$350
Tire-pressure monitor   $75$75
Cargo Management 
Cargo net   $40$40
Rear seat pass-through   $100$100
Climate Control 
Rear air vents with automatic controls   $250$250
Rear dual-zone climate control   $125$125
Drivetrain 
Active rear differential   $500$500
Engine / Motor 
Automatic start / stop   $150$150
Regenerative braking   $0$0
Exterior 
Black exterior trim (optional)   $0$0
Body kit  $0  
Laminated front side windows   $200$200
Painted brake calipers (optional)   $0$0
Power retractable hardtop$6750$6750$6750  
Rear spoiler  $200  
Sunroof   $900$900
Infotainment 
4G LTE connectivity   $0$0
Android Auto support   $100$100
Apple CarPlay support   $100$100
Aux input   $50$50
Bluetooth audio streaming   $25$25
DVD-compatible player   $0$0
Handwriting recognition   $200$200
HD radio   $50$50
In-vehicle Internet   $150$150
Media drive   $15$15
MP3-compatible player   $50$50
Navigation system$600$600 $600$600
Surround sound$250$250 $250$250
Telematics service, such as OnStar$200$200$200  
Traffic + travel information   $25$25
Voice control for nav and audio   $100$100
Wi-Fi hotspot   $50$50
Instruments, Lights, and Mirrors 
Analog clock$25$25$25  
Auto-dimming passenger-side mirror   $75$75
Compass   $0$0
Cornering lights$50$50$50  
Fog lights$125$125$125  
Headlight washers$50$50$50  
Illuminated visor mirror, driver   $50$50
Illuminated visor mirror, passenger   $50$50
LED headlights   $1000$1000
Power-folding mirrors   $50$50
Visor mirror, driver$10$10$10  
Visor mirror, passenger$10$10$10  
Xenon HID headlights$500$500$500  
Seats and Interior Trim 
Aluminum trim  $100$100$100
Center armrest(s), second row   $50$50
Folding second row seats   $300$300
Illuminated door sill trim plates   $200$200
Memory system, passenger seat$150$150$150  
Power 4-way lumbar adjuster, driver seat   $150$150
Power 4-way lumbar adjuster, passenger seat   $150$150
Synthetic suede inserts in leather seating surfaces  $0  
Suspension, Wheels, and Tires 
Electronic systems calibration selector   $200$200
Sport suspension (upgrade)  $0$0$0
Transmission 
Steering-wheel-mounted transmission controls  $100$100$100
Total Value of Features$8,985$8,985$9,585$11,255$11,255
Value of Feature Adjustments$0$0$600$2,270$2,270
Value of Feature Adjustments00-559-2,135-2,135

Return to top

Specifications Comparison: Mercedes-Benz SLK vs. Audi A6

Model Year20062019
ModelSLKA6
Body2dr Hardtop conv.4dr Sedan
Wheelbase95.7 in115.1 in
Length160.7 in194.4 in
Width70.4 in74.3 in
Height51.0 in57.4 in
Curb Weight3,210 lb.4,102 lb.
Fuel Capacity18.5 gal.19.3 gal.
Row 1 Headroom37.9 in38.0 in
Row 1 Shoulder Room52.2 in57.8 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.5 in41.3 in
Row 2 Headroom0.0 in38.1 in
Row 2 Shoulder Room0.0 in56.5 in
Row 2 Legroom0.0 in37.4 in
Cargo Volume,
Minimum
6.5 ft313.7 ft3
Cargo Volume,
Maximum
9.8 ft313.7 ft3

Return to top

Option Package Details
Mercedes-Benz SLK SLK280

Comfort Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Mirror tilt-down in reverse25Yes
Total Requested115088%
Total Not Requested15012%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Variable assist steering (optional)0No
Remote window/roof operation15No
Total Requested47597%
Total Not Requested153%
Entertainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Total Requested45056%
Total Not Requested35044%

Option Package Details
Mercedes-Benz SLK SLK350

Comfort Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Power fore-aft adjuster, driver seat100Yes
Power height adjuster, driver seat50Yes
Power tilt adjuster, driver seat50Yes
Power recliner, driver seat100Yes
Power recliner, passenger seat100Yes
Power fore-aft adjuster, passenger seat100Yes
Auto-dimming rearview mirror150Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Power height adjuster, passenger seat50Yes
Power tilt adjuster, passenger seat50Yes
Auto-dimming driver-side mirror75Yes
Mirror tilt-down in reverse25Yes
Total Requested115088%
Total Not Requested15012%
Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Variable assist steering (optional)0No
Remote window/roof operation15No
Total Requested47597%
Total Not Requested153%
Entertainment Package
FeatureValueRequested?
Satellite radio200Yes
Surround sound250Yes
Harman/Kardon, 380W, 11 speakers (with subwoofer)350No
Total Requested45056%
Total Not Requested35044%

Option Package Details
Mercedes-Benz SLK SLK55 AMG

Lighting Package
FeatureValueRequested?
Xenon HID headlights500Yes
Headlight washers50No
Cornering lights50No
Total Requested50083%
Total Not Requested10017%
Premium Package
FeatureValueRequested?
Automatic climate control, front200Yes
Universal garage door opener100Yes
Rain-sensing wipers175Yes
Total Requested475100%
Total Not Requested00%

Option Package Details
Audi A6 45

Competition Package
FeatureValueRequested?
Front sport buckets100Yes
Aluminum trim100Yes
Active rear differential500No
Painted brake calipers (optional)0No
Upgraded leather upholstery0No
Power 4-way lumbar adjuster, passenger seat150No
Metal pedals75No
Dark-colored headliner (optional)0No
Leather door panel trim250No
Sport suspension (upgrade)250Yes
Black exterior trim (optional)0No
Total Requested45032%
Total Not Requested97568%

Option Package Details
Audi A6 55

Competition Package
FeatureValueRequested?
Front sport buckets100Yes
Aluminum trim100Yes
Active rear differential500No
Painted brake calipers (optional)0No
Upgraded leather upholstery0No
Power 4-way lumbar adjuster, passenger seat150No
Metal pedals75No
Dark-colored headliner (optional)0No
Leather door panel trim250No
Sport suspension (upgrade)250Yes
Black exterior trim (optional)0No
Total Requested45032%
Total Not Requested97568%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Convertibles
See TrueDelta's information for all Mercedes-Benz models.